Home / 305,664,014.40-458,496,021.60-208,918,132.80

Finding the Fourth Proportional to 305,664,014.40, 458,496,021.60 and 208,918,132.80

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Solution

The fourth proportional to 305,664,014.40, 458,496,021.60 and 208,918,132.80 is: 313,377,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,664,014.40 : 458,496,021.60 = 208,918,132.80 : x
  2. Step 2: Convert to fraction form
    305,664,014.40/458,496,021.60 = 208,918,132.80/x
  3. Step 3: Cross multiply
    305,664,014.40x = 458,496,021.60 × 208,918,132.80
  4. Step 4: Simplify right side
    305,664,014.40x = 95,788,132,728,900,480
  5. Step 5: Solve for x
    x = 95,788,132,728,900,480/305,664,014.40
  6. Step 6: Final answer
    x = 313,377,199.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.